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  <h1 class="topictitle1">Step 7: Performing Backup</h1>
  <div>
   <p>Before performing backup, you need to associate the resources to be protected with a specified SLA. The system protects the resources and periodically executes backup jobs based on the SLA. You can perform a backup job immediately through manual backup.</p>
   <div class="section">
    <h4 class="sectiontitle">Precautions</h4>
    <ul>
     <li>Copies generated by manual backup are retained for the duration defined in the SLA.</li>
     <li>If a replication policy has been defined in the SLA, the <span>product</span> will perform replication once based on the SLA when you perform manual backup.</li>
     <li>If no log backup is defined in the SLA, log backup cannot be automatically executed.</li>
    </ul>
   </div>
   <div class="section">
    <h4 class="sectiontitle">Procedure</h4>
    <ol>
     <li><span>Choose <span class="uicontrol" id="informix-0017__en-us_topic_0000001839142377_uicontrol1138252616373"><b><span id="informix-0017__en-us_topic_0000001839142377_text73821261375"><strong>Protection</strong></span> &gt; Databases &gt; Informix/GBase 8s</b></span>.</span></li>
     <li><span>On the <span class="uicontrol"><b>Instance</b></span> tab, select the database to be protected and choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Protect</strong></span></b></span>. </span><p></p><p>You can also select multiple databases for batch protection.</p> <p></p></li>
     <li><span>Select an SLA.</span><p></p>
      <div class="p" id="informix-0017__en-us_topic_0000001964713008_p16181740836">
       You can also click <span class="uicontrol" id="informix-0017__en-us_topic_0000001964713008_uicontrol169554520714"><b><span id="informix-0017__en-us_topic_0000001964713008_text179554516717"><strong>Create</strong></span></b></span> to create an SLA.
       <div class="note" id="informix-0017__en-us_topic_0000001964713008_note25947145710">
        <img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span>
        <div class="notebody">
         <p id="informix-0017__en-us_topic_0000001964713008_p125947145711"><span id="informix-0017__en-us_topic_0000001964713008_ph1413818422327">If a WORM policy has been configured for the resources to be protected, select an SLA without a WORM policy to avoid WORM policy conflicts.</span></p>
        </div>
       </div>
      </div> <p></p></li>
     <li><span>Set advanced parameters for the backup policy. </span><p></p>
      <div class="p">
       <a href="#informix-0017__en-us_topic_0000001349147581_en-us_topic_0000001263775382_table354613271506">Table 1</a> describes the related parameters. 
       <div class="tablenoborder">
        <a name="informix-0017__en-us_topic_0000001349147581_en-us_topic_0000001263775382_table354613271506"></a><a name="en-us_topic_0000001349147581_en-us_topic_0000001263775382_table354613271506"></a>
        <table cellpadding="4" cellspacing="0" summary="" id="informix-0017__en-us_topic_0000001349147581_en-us_topic_0000001263775382_table354613271506" frame="border" border="1" rules="all">
         <caption>
          <b>Table 1 </b>Advanced parameters of a backup policy
         </caption>
         <colgroup>
          <col style="width:30.06%">
          <col style="width:69.94%">
         </colgroup>
         <thead align="left">
          <tr>
           <th align="left" class="cellrowborder" valign="top" width="30.06%" id="mcps1.3.3.2.4.2.1.2.2.3.1.1"><p>Parameter</p></th>
           <th align="left" class="cellrowborder" valign="top" width="69.94%" id="mcps1.3.3.2.4.2.1.2.2.3.1.2"><p>Description</p></th>
          </tr>
         </thead>
         <tbody>
          <tr>
           <td class="cellrowborder" valign="top" width="30.06%" headers="mcps1.3.3.2.4.2.1.2.2.3.1.1 "><p><span><strong>Rate Limiting Policies</strong></span></p></td>
           <td class="cellrowborder" valign="top" width="69.94%" headers="mcps1.3.3.2.4.2.1.2.2.3.1.2 "><p>Average maximum amount of data that can be transmitted per second in a backup job.</p></td>
          </tr>
          <tr>
           <td class="cellrowborder" valign="top" width="30.06%" headers="mcps1.3.3.2.4.2.1.2.2.3.1.1 "><p><span><strong>Source Deduplication</strong></span></p></td>
           <td class="cellrowborder" valign="top" width="69.94%" headers="mcps1.3.3.2.4.2.1.2.2.3.1.2 ">
            <div class="p">
             After this function is enabled, the amount of data to be transmitted can be reduced, but more client resources will be occupied.
             <div class="note" id="informix-0017__en-us_topic_0000001839143189_note8885112682911">
              <span class="notetitle"> NOTE: </span>
              <div class="notebody">
               <ul id="informix-0017__en-us_topic_0000001839143189_ul5885426132914">
                <li id="informix-0017__en-us_topic_0000001839143189_li10885172616299">An agent host can only be linked with one storage unit. To enable source deduplication, select <span class="parmvalue" id="informix-0017__en-us_topic_0000001839143189_parmvalue13417617181719"><b>Backup Storage Unit</b></span> for <span class="parmname" id="informix-0017__en-us_topic_0000001839143189_parmname164341313131719"><b>Specify Target Location</b></span>. Otherwise, a storage unit that is not linked with the agent host may be selected through intelligent balancing. As a result, source deduplication fails to be enabled. If different protected objects are associated with different SLAs, where different backup storage units are specified, select different agent hosts for the protected objects. Otherwise, source deduplication of some backup jobs will fail to be enabled.</li>
                <li id="informix-0017__en-us_topic_0000001839143189_li9885182662911">If an agent host has been linked with a storage unit but is not performing a backup job with source deduplication, you can run the <strong id="informix-0017__en-us_topic_0000001839143189_b1734071915190">dataturbo delete storage_object storage_name=</strong><em id="informix-0017__en-us_topic_0000001839143189_i18291255102216">?</em> command on the agent host to delete the source deduplication link with the storage unit. The value of <strong id="informix-0017__en-us_topic_0000001839143189_b9927131312572">storage_name</strong> in the command can be queried by running the <strong id="informix-0017__en-us_topic_0000001839143189_b11782052162315">dataturbo show storage_object</strong> command. This way, when the agent host performs a backup job with source deduplication, the link between the agent host and a new storage unit can be established.</li>
                <li id="informix-0017__en-us_topic_0000001839143189_li11885142615297">View the product compatibility to check whether source deduplication is supported by the host OS. If not supported, source deduplication will not take effect after being configured.</li>
                <li id="informix-0017__en-us_topic_0000001839143189_li7883549153219">If a built-in agent (that is, ProtectAgent is co-deployed with the <span id="informix-0017__en-us_topic_0000001839143189_text13835155817114">product</span>) is used for backup, source deduplication does not take effect after being configured.</li>
               </ul>
              </div>
             </div>
            </div></td>
          </tr>
          <tr>
           <td class="cellrowborder" valign="top" width="30.06%" headers="mcps1.3.3.2.4.2.1.2.2.3.1.1 "><p><span><strong>Job Failure Alarm</strong></span></p></td>
           <td class="cellrowborder" valign="top" width="69.94%" headers="mcps1.3.3.2.4.2.1.2.2.3.1.2 "><p>After this function is enabled, an alarm is automatically sent if a job fails and is automatically cleared after successful execution.</p></td>
          </tr>
          <tr>
           <td class="cellrowborder" valign="top" width="30.06%" headers="mcps1.3.3.2.4.2.1.2.2.3.1.1 "><p><span><strong>Automatic Retry</strong></span></p></td>
           <td class="cellrowborder" valign="top" width="69.94%" headers="mcps1.3.3.2.4.2.1.2.2.3.1.2 "><p>After this function is enabled, the system automatically retries a backup job if it fails.</p>
            <div class="p">
             The number of retries ranges from 1 to 5, and the wait time ranges from 1 to 30 minutes. For example, if the number of retries is set to 3 and the wait time to 5 minutes, the system makes 3 retries and each retry every 5 minutes.
             <div class="note">
              <span class="notetitle"> NOTE: </span>
              <div class="notebody">
               <p>During automatic retry, the system creates a backup job. If the backup job is not within the backup time window, the job is not executed and fails.</p>
              </div>
             </div>
            </div></td>
          </tr>
         </tbody>
        </table>
       </div>
      </div> <p></p></li>
     <li><span>Click <span class="uicontrol" id="informix-0017__en-us_topic_0000001964713008_uicontrol23691650677"><b>OK</b></span>.</span><p></p><p id="informix-0017__en-us_topic_0000001964713008_en-us_topic_0000001656691397_p25041111535">If the current system time is later than the start time of the first backup specified in the SLA, you can select <strong id="informix-0017__en-us_topic_0000001964713008_b9624185216713">Execute manual backup now</strong> in the dialog box that is displayed or choose to perform automatic backup periodically based on the backup policy set in the SLA.</p> <p></p></li>
     <li><strong>Optional: </strong><span>Perform manual backup.</span><p></p><p>If you want to execute a backup job immediately, perform manual backup through the following operations. Otherwise, skip this step.</p>
      <ol type="a">
       <li>In the row that contains the database to be backed up, choose <span class="uicontrol"><b>More</b></span> &gt; <span class="uicontrol"><b>Manual Backup</b></span>.
        <div class="note">
         <img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span>
         <div class="notebody">
          <p>You can select multiple resources to perform manual backup in batches. Select multiple resources and choose <span class="uicontrol"><b><span>More</span> &gt; <span>Manual Backup</span></b></span> in the upper left corner of the page.</p>
         </div>
        </div></li>
       <li>Set the name of the copy generated by manual backup.<p>If this parameter is left unspecified, the system sets the name to <strong>backup_</strong><em>Timestamp</em> by default.</p></li>
       <li>Select a protection policy: full backup, incremental backup, differential backup, or log backup.
        <div class="note">
         <img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span>
         <div class="notebody">
          <p id="informix-0017__en-us_topic_0000001964713008_p13522118194919"><span id="informix-0017__en-us_topic_0000001964713008_ph19374310343">For 1.6.0 and later versions, if the selected protection policy is different from that configured in the associated SLA, the WORM configuration does not take effect.</span></p>
         </div>
        </div></li>
       <li>Click <span class="uicontrol"><b>OK</b></span>.</li>
      </ol> <p></p></li>
    </ol>
   </div>
  </div>
  <div>
   <div class="familylinks">
    <div class="parentlink">
     <strong>Parent topic:</strong> <a href="informix-0010.html">Backing Up Informix/GBase 8s</a>
    </div>
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